Product Features: Comfortable button touch. size on the left, and an USB charging system Battery indicator; headlight control; boost function; boost gear, speed display; Subtotal mileage/total mileage, running time, metric conversion, fault prompt Due to different batches, there may be differences in product appearance, color, and text, which will not affect the use Product Model: P3H I Professional and full-featured LCD instrument interface: 5PIN Communication : UART Adaptive voltage: 24V/36V/48V/60V (all within the range of 24V-60V) Applicable handlebar size: 22.2MM USB charging function: 5V/500MA Material: ABS+metal colour: black Package Contents: 1 x LCD Display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.